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List of 12-letter words containing

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There are 14 twelve-letter words containing E, F, I, P and V

FLAVOPROTEINflavoprotein n. (Biochemistry) any of a group of enzymes, containing flavin, that act as dehydrogenases.
FLAVOPROTEIN n. a protein which serves as an electron carrier in the electron transfer chain.
IMPERFECTIVEimperfective adj. Of, relating to or having the properties of the imperfective aspect.
imperfective n. The imperfective aspect; a verb having this aspect.
IMPERFECTIVE adj. expressing action as incomplete or without reference to completion or as reiterated.
OVERSIMPLIFYoversimplify v. To explain or present something in a way that excludes important information for the sake of brevity…
OVERSIMPLIFY v. to simplify to such an extent as to bring about distortion, misunderstanding, or error.
PARVIFOLIATEPARVIFOLIATE adj. of plants, having small leaves in comparison with the size of the stem.
PERFECTIVELYperfectively adv. In a perfective manner or context.
PERFECTIVE adv. tending to make perfect.
PERFECTIVITYperfectivity n. (Grammar) The state of being in perfective aspect or the imperfective aspect.
PERFECTIVITY n. the state of being perfective.
PERFERVIDITYperfervidity n. The quality of being perfervid.
PERFERVIDITY n. the state of being perfervid, also PERFERVIDNESS.
PERFORMATIVEperformative adj. (Philosophy, linguistics) Being enacted as it is said.
performative adj. Being done as a performance in order to create an impression.
performative n. A performative utterance.
PETRIFACTIVEpetrifactive adj. Having the quality of converting organic matter into stone; petrifying.
petrifactive adj. Pertaining to, or characterized by, petrifaction.
PETRIFACTIVE adj. petrifying, also PETRIFIC.
PREFORMATIVEpreformative n. Chiefly in Semitic languages: a formative letter, syllable, etc., at the beginning of a word.
preformative adj. Of or pertaining to preformation.
preformative adj. Of a thing: forming or affecting something that comes later.
PURIFICATIVEpurificative adj. Having power to purify or cleanse.
PURIFICATIVE adj. serving to purify, also PURIFICATORY.
PUTREFACTIVEputrefactive adj. Of, pertaining to, or causing putrefaction.
PUTREFACTIVE adj. relating to putrefaction.
STUPEFACTIVEstupefactive adj. Inducing stupor; making drowsy; stupefacient.
STUPEFACTIVE adj. causing stupefaction.
TRYPAFLAVINEtrypaflavine n. An acridine dye thought to be identical with flavine or acriflavine.
TRYPAFLAVINE n. another name for acriflavine.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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